User Manual

6. Maintenance for Problem Solving
6. Once the fan has been exchanged, follow the stages from 1 to 4 in reverse order to install
a new fan. Use 1.3~1.6N∙m torque to tighten and fix the screw.
7. Check the fan state.
8. Once a new fan has been installed, perform a test operation to check whether there is a
fan event message.
6.2 Cleaning
You should clean the enclosure if it is in a dirty condition, please use a soft brush or a
vacuum to remove the dirt.
Do not use liquids, such as solvents, abrasives, or liquid corrosives in the enclosures.
6.2.1 Cleaning the Side Cover
If the inside of the side cover needs to be cleaned, contact a qualified person (tech
nician) so that they can clean according to the following steps:
Clean the side cover according to the follow procedures.
1. Turn off the DC disconnect switch and the AC circuit breaker on the panel board, then
separate the MC connector.
2. Remove the side cover. Make sure not to remove the front case cover.
[Figure 6-3: Side cover removal]
3. Clean the side cover with a vacuum cleaner.
NOTICE
Using compressed air may damage the fan.
 When cleaning the fan, do not use compressed air. It may damage
the fan.
4. Use a torque screwdriver of 1.3-1.6 Nm and tighten the screws to attach the side cover.
United Kingdom (Eng.) 05/2015. Rev1.1 35